ClinVar Miner

Submissions for variant NM_000094.4(COL7A1):c.5388+1G>A

dbSNP: rs2531053190
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV003555072 SCV004292732 pathogenic not provided 2024-11-15 criteria provided, single submitter clinical testing This sequence change affects a donor splice site in intron 61 of the COL7A1 gene. It is expected to disrupt splicing. Variants that disrupt the donor or acceptor splice site typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in COL7A1 are known to be disease-causing for autosomal recessive dystrophic epidermolysis bullosa (PMID: 16971478). However, certain variants affecting donor or acceptor splice sites in the triple helical domain of COL7A1 are expected to result in in-frame exon skipping and have been reported to cause autosomal dominant dystrophic epidermolysis bullosa (PMID: 31670143). This variant is not present in population databases (gnomAD no frequency). Disruption of this splice site has been observed in individual(s) with autosomal recessive epidermolysis bullosa dystrophica (PMID: 27899325). ClinVar contains an entry for this variant (Variation ID: 2734516). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. For these reasons, this variant has been classified as Pathogenic.

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